Just when you think you've seen everything...(PAH)

Dave Yates (PAH)

Just came from an estimate to install new potable lines in a school that had once been a factory and became a warehouse prior to the school moving in.

Here's how they saved big bucks for running the water lines to the multiple restrooms that were installed (done by the warehouse owner) - simply use the abandoned sprinkler lines!

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Unknown

Love that dirty water

A bit colored was it?;-) I can just imagine the white plumbing fixtures.

AIM user name: Radiantfloors

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Weezbo

You gotta be trying to make me cringe...

Yuk! worse than an idiot...an idiot with ambition. .)

George_10

Wasn't there also biological growth in the sprinkler lines

I am working with two contractors now for just this problem in sprinkler systems. If there was this problem, how was it handled?

Dave Yates (PAH)

flushing

My thoughts too. I've seen "black" water first-hand when testing sprinkler line backflow prevention devices & that's a pretty stunning sight the first time you encounter such nasty stuff connected to potable lines.

No doubt they flushed the lines when changing over to potable use to blow out the chunks. Our local water company has no control over how their water is used once it goes beyond the building's service line DC BFP. Unfortunately for everyone, no local building or plumbing inspectors check water lines for maintaining potability. Drainage & vent lines are the only things inspected.

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Paul Rohrs_2

I think they should also....

use it for "LIMITED COOLING"

Regards,

PR

Weezbo

perhaps....

we could all chip in and build a small walk in clinic nearby the school,pipe laughing gas into the waiting room as to keep our continuious supply of customers "Happy" )

Jamie Hall

I feel sick...

just thinking about it. When I was a plumbing inspector (many years ago!) one of the things we required absolutely every time no exceptions was a reduced pressure zone backflow preventer between any potable water line and a sprinkler line. Amazing how many installs I saw without one...

leo g_13

easily the best

line of the month Weezbo!

thanx!

leo g

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Nron_9

I can’t believe there are no laws to prevent them from using old fire lines .... at least this will keep lawyers working, hope the kids don’t get too sick though seems there the one that will really have to pay

Dave Yates (PAH)

DCDA vs RPZ

Our local water co is just now getting around to requiring DCDA assemblies be installed in place of the old single swing checks. We're bidding 6" & 8" DCDA's out the wazoo! The only time an RPZ is required, is where chemicals have been added (like a wet system on a loading dock with anti-freeze). Where that happens, the user is allowed to install a DCDA on the main line with the RPZ installed on the loop or section containing the chemicals.

The school building in question served as the warehouse for a large mechanical contractor. According to the school's maint man, it was the mechanical contracting firm who installed the bathrooms and used the abandoned sprinkler lines for water mains within the building envelope. One connection made (where a smaller sprinkler line had branched off), leaked - right down into a 3-phase service panel!

Some things you just gotta see to believe.

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